Digital library is a new concept and a new technology. The types of data include multimedia information such as text, voice, image and video, etc.

数字图书馆是一种新概念和新技术，数据类型包括文本、语音、图像、视频等多媒体信息。

youdao

Digital library is a new concept and a new technology. The types of data include multimedia information such as text, voice, image and video, etc.

数字图书馆是一种新概念和新技术，数据类型包括文本、语音、图像、视频等多媒体信息。

youdao